Kaysun Aquantia PRO User manual

IMPORTANT NOTE:

Thank you very much for purchasing our product,

Before using your unit , please read this manual carefully and keep it for future reference.

INSTALLATION & OWNER'S

MANUAL

Aquantia R-32 PRO

Bibloc Outdoor Unit

KHP-BI 4 DVR2

KHP-BI 6 DVR2

KHP-BI 8 DVR2

KHP-BI 10 DVR2

KHP-BI 12 DVR2

KHP-BI 14 DVR2

KHP-BI 16 DVR2

KHP-BI 12 DTR2

KHP-BI 14 DTR2

KHP-BI 16 DTR2

05

02

CONTENTS

1

2

05

3

06

4

08

5

15

8

16

Accessories supplied with the unit

2.1

Selecting a location in cold climates

Prevent sunshine

5.1

5.2

Precautions on electrical wiring work

Precautions on wiring of power supply

Safety device requirment

Remove the switch box cover

To finish the outdoor unit installation

8.1

8.2

8.3

8.4

8.5

Dimensions

Installation requirements

Drain hole position

Installation space requirements

6.1

6.2

6.3

6.4

6

SAFETY PRECAUTIONS

ACCESSORIES

BEFORE INSTALLATION

IMPORTANT INFORMATION FOR THE REFRIGERANT

INSTALLATION SITE

INSTALLATION PRECAUTIONS

OUTDOOR UNIT WIRING

7

INSTALLATION OF THE CONNECTING PIPE

12

11

13

14

12

Rrfrigerant piping

Leakage detection

Heat insulation

Connecting method

Remove dirt or water in the pipes

Airtight testing

Air purge with vacuum pump

Refrigerant amount to be added

Oil amount to be added

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

14

09

10

05

07

09

11

15

17

14

7.9

28

13

12

14

TURN OVER TO CUSTOMER

OPERATION AND PERFORMANCE

TECHNICAL SPECIFICATIONS

36

15

INFORMATION SERVICING

10

OVERVIEW OF THE UNIT

TEST RUNNING

9

18

17

20

9.1

9.2

9.3

9.4

11

PRECAUTIONS ON REFRIGERANT LEAKAGE

25

26

34

28

Protection equipment

About power cut

Heating capacity

Compressor protection feature

Cooling and heating operation

Features of heating operation

Defrost in the heating operation

Error codes

13.1

13.2

13.3

13.4

13.5

13.6

13.7

13.8

28

29

22

17

25

Disassembling the unit

Electronic control box

4~16kW 1-phase units

12~16kW 3-phase units

01

8/10/12/14/16 kW

4/6 kW

Wiring diagram:8/10kW for example

Electric Control System

Refrigerant System

8/10 kW

4/6 kW

12/14/16 kW

Remove the

transportation support

Please remove the hollow

plate after installation.

NOTE

Please remove the noise insulation cover of the compressor first.

Please make sure the transportation support had be removed.

It will cause heat pump abnormal vibration and noise if running with transportation support for compressor installed.

Please wear gloves when doing the above operation to prevent hand scratches.

Please restore the noise insulation cover after removing the transportation support.

Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring

the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use

of flammable refrigerants.

WARNING

Caution:Risk of fire/

flammable materials

02

Read these instructions carefully before installation. Keep this manual in a handy for future peference.

Improper installation of equipment or accessories may result in electric shock, short-circuit, leakage, fire or other

damage to the equipment. Be sure to only use accessories made by the supplier, which are specifically designed for

the equipment and make sure to get installation done by a professional.

All the activities described in this manual must be carried out by a licensed technician. Be sure to wear adequate

personal protection equipment such as gloves and safety glasses while installing the unit or carrying out

maintenance activities.

Contact your dealer for any furthur assistance.

INFORMATION

i

1 SAFETY PRECAUTIONS

The precautions listed here are divided into the following types.They are quite important, so be sure to follow them carefully.

Meanings of DANGER, WARNING, CAUTION and NOTE symbols.

Indicates an imminently hazardous situation which if not avoided, will result in serious injury.

DANGER

Indicates a potentially hazardous situation which if not avoided, could result in serious injury.

WARNING

CAUTION

Indicates a potentially hazardous situation which if not avoided, may result in minor or moderate injury.

It is also used to alert against unsafe practices.

Indicates situations that could only result in accidental equipment or property damage.

NOTE

Explanation of symbols displayed on the indoor unit or outdoor unit

WARNING

CAUTION

This symbol shows that this appliance used a flammable refrigerant. If the refrigerant is

leaked and exposed to an external ignition source, there is a risk of fire.

This symbol shows that the operation manual should be read carefully.

This symbol shows that a service personnel should be handling this equipment with

reference to the installation manual.

This symbol shows that a service personnel should be handling this equipment with

reference to the installation manual.

This symbol shows that information is available such as the operating manual or

installation manual.

03

Before touching electric terminal parts, turn off power switch.

When service panels are removed, live parts can be easily touched by accident.

Never leave the unit unattended during installation or servicing when the service panel is removed.

Do not touch water pipes during and immediately after operation as the pipes may be hot and could burn your

hands. To avoid injury, give the piping time to return to normal temperature or be sure to wear protective gloves.

Do not touch any switch with wet fingers. Touching a switch with wet fingers can cause electrical shock.

Before touching electrical parts, turn off all applicable power to the unit.

DANGER

Tear apart and throw away plastic packaging bags so that children will not play with them.Children playing

with plastic bags face danger of suffocation.

Safely dispose of packing materials such as nails and other metal or wood parts that could cause injuries.

Ask your dealer or qualified personnel to perform installation work in accordance with this manual. Do not install the

unit yourself. Improper installation could result in water leakage, electric shocks or fire

Be sure to use only specified accessories and parts for installation work. Failure to use specified parts may result in

water leakage, electric shocks, fire, or the unit falling from its mount.

Install the unit on a foundation that can withstand its weight. Insufficient physical strength may cause the equipment

to fall and possible injury.

Perform specified installation work with full consideration of strong wind, hurricanes, or earthquakes. Improper

installation work may result in accidents due to equipment falling.

Make certain that all electrical work is carried out by qualified personnel according to the local laws and regulations

and this manual using a separate circuit. Insufficient capacity of the power supply circuit or improper electrical

construction may lead to electric shocks or fire.

Be sure to install a ground fault circuit interrupter according to local laws and regulations. Failure to install a ground

fault circuit interrupter may cause electric shocks and fire.

Make sure all wiring is secure. Use the specified wires and ensure that terminal connections or wires are protected

from water and other adverse external forces. Incomplete connection or affixing may cause a fire.

When wiring the power supply, form the wires so that the front panel can be securely fastened. If the front panel is

not in place there could be overheating of the terminals, electric shocks or fire.

After completing the installation work, check to make sure that there is no refrigerant leakage.

Never directly touch any leaking refrigerant as it could cause severe frostbite.Do not touch the refrigerant pipes

during and immediately after operation as the refrigerant pipes may be hot or cold, depending on the condition of

the refrigerant flowing through the refrigerant piping, compressor and other refrigerant cycle parts. Burns or frostbite

are possible if you touch the refrigerant pipes. To avoid injury, give the pipes time to return to normal temperature

or, if you must touch them,be sure to wear protective gloves.

Do not touch the internal parts (pump, backup heater, etc.) during and immediately after operation. Touching the

internal parts can cause burns. To avoid injury, give the internal parts time to return to normal temperature or, if you

must touch them, be sure to wear protective gloves.

WARNING

Ground the unit.

Grounding resistance should be according to local laws and regulations.

Do not connect the ground wire to gas or water pipes, lightning conductors or telephone ground wires.

Incomplete grounding may cause electric shocks.

- Gas pipesFire or an explosion might occur if the gas leaks.

- Water pipesHard vinyl tubes are not effective grounds.

- Lightning conductors or telephone ground wiresElectrical threshold may rise abnormally if struck by a lightning

bolt.

Install the power wire at least 3 feet (1 meter) away from televisions or radios to prevent interference or noise.

(Depending on the radio waves, a distance of 3 feet (1 meter) may not be sufficient to eliminate the noise.)

Do not wash the unit. This may cause electric shocks or fire. The appliance must be installed in accordance with

national wiring regulations. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent

or similarly qualified persons in order to avoid a hazard.

CAUTION

04

NOTE

About Fluorinated Gasses

- This air-conditioning unit contains fluorinated gasses. For specific information on the type of gas and the amount,

please refer to the relevant label on the unit itself. Compliance with national gas regulations shall be observed.

- Installation, service, maintenance and repair of this unit must be performed by a certified technician.

- Product uninstallation and recycling must be performed by a certified technician.

- If the system has a leak-detection system installed, it must be checked for leaks at least every 12 months. When

the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.

Do not install the unit in the following places:

- Where there is mist of mineral oil, oil spray or vapors. Plastic parts may deteriorate, and cause them to come loose

or water to leak.

- Where corrosive gases (such as sulphurous acid gas) are produced. Where corrosion of copper pipes or soldered

parts may cause refrigerant to leak.

- Where there is machinery which emits electromagnetic waves. Electromagnetic waves can disturb the control

system and cause equipment malfunction.

- Where flammable gases may leak, where carbon fiber or ignitable dust is suspended in the air or where volatile

flammables such as paint thinner or gasoline are handled. These types of gases might cause a fire.

- Where the air contains high levels of salt such as near the ocean.

- Where voltage fluctuates a lot, such as in factories.

- In vehicles or vessels.

- Where acidic or alkaline vapors are present.

This appliance can be used by children 8 years old and above and persons with reduced physical, sensory or mental

capabilities or lack of experience and knowledge if they are supervised or given instruction on using the unit in a

safe manner and understand the hazards involved. Children should not play with the unit. Cleaning and user

maintenance should not be done by children without supervision.

Children should be supervised to ensure that they do not play with the appliance.

If the supply cord is damaged, it must be replaced by the manufaturer or its service agent or a similarly qualified

person.

DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste seperatelly for

special treatment is necessary. Do not dispose of electrical appliances as municipal waste, use seperate collection

facilities. Contact your local goverment for information regarding the collection systems available. If electrical

appliances are disposed of in landfills or dumps, hazardous substance can leak into the groudwater and get into the

food chain, damaging your health and well-being.

The wiring must be performed by professional technicians in accordance with national wiring regulation and this

circuit diagram. An all-pole disconnection device which has at least 3mm seperation distance in all pole and a

residualcurrent device(RCD) with the rating not exceeding 30mA shall be incorporated in the fixed wiring according

to the national rule.

Confirm the safety of the installation area ( walls, floors, etc. ) without hidden dangers such as water, electricity, and

gas.Before wiring/pipes.

Before installation , check whether the user's power supply meets the electrical installation requirements of unit (

including reliable grounding , leakage , and wire diameter electrical load, etc. ). If the electrical installation

requirements of the product are not met, the installation of the product is prohibited until the product is rectified.

When installing multiple air conditioners in a centralized manner, please confirm the load balance of the three-phase

power supply, and multiple units are prevented from being assembled into the same phase of the three-phase power

supply.

Product installation should be fixed firmly, Take reinforcement measures, when necessary.

2 ACCESSORIES

2.1 Accessories supplied with the unit

Outdoor unit installation

& owners manual

(this book)

Quantity

Technical data manual

1

Shape

Name

Installation Fittings

Water outlet connection

pipe assembly

Before installation

Be sure to confirm the model name and the serial number of the unit.

Handling

3 BEFORE INSTALLATION

05

1. Handle the unit using the sling to the left and the right .Pull up both sides of the sling at the same time to prevent

discinnection of the sling from the unit.

1

To avoid injury, do not touch the air inlet and aluminum fins of the unit.

Do not use the grips in the fan grills to avoid damage.

The unit is top heavy! Prevent the unit from falling due to improper inclination during handling.

CAUTION

4 IMPORTANT INFORMATION FOR THE REFRIGERANT

This product has the fluorinated gas, it is forbidden to release to air.

Refrigerant type: R32; Volume of GWP: 675.

GWP=Global Warming Potential

Factory charged refrigerant volume in the unit

Refrigerant/kg Tonnes CO2 equivalent

4kW 1.50 1.02

6kW 1.50 1.02

8kW 1.65 1.11

10kW 1.65 1.11

Model

06

2. While handling the unit

keep both sides of the sling level.

keep your back straight

3. After mounting the unit,remove the sling from the unit by pulling 1 side of the sling.

5 INSTALLATION SITE

Be sure to adopt adequate measures to prevent the unit from being used as a shelter by small animals.Small

animals making contact with electrical parts can cause malfunction, smoke or fire. Please instruct the customer to

keep the area around the unit clean.

WARNING

Frequency of Refrigerant Leakage Checks

- Equipment that contains less than 3 kg of fluorinated greenhouse gases or hermetically sealed equipment,

which is labelled accordingly and contains less than 6 kg of fluorinated greenhouse gases shall not be

subject to leak checks.

- For unit that contains fluorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more,but of

less than 50 tonnes of CO2 equivalent,at least every 12 months, or where a leakage detection system is installed,

at least every 24 months.

- Only certificated person is allowed to do installation, operation and maintenance.

CAUTION

Select an installation site where the following conditions are satisfied and one that meets with your customer's approval.

- Places that are well-ventilated.

- Places where the unit does not disturb next-door neighbors.

- Safe places which can bear the unit's weight and vibration and where the unit can be installed at an even level.

- Places where there is no possibility of flammable gas or product leak.

- The equipment is not intended for use in a potentially explosive atmosphere.

- Places where servicing space can be well ensured.

- Places where the units' piping and wiring lengths come within the allowable ranges.

- Places where water leaking from the unit cannot cause damage to the location (e.g. in case of a blocked drain pipe).

- Places where rain can be avoided as much as possible.

- Do not install the unit in places often used as a work space. In case of construction work (e.g. grinding etc.) where a lot of

dust is created, the unit must be covered.

- Do not place any object or equipment on top of the unit (top plate)

- Do not climb, sit or stand on top of the unit.

- Be sure that sufficient precautions are taken in case of refrigerant leakage according to relevant local laws and

regulations.- Don’t install the unit near the sea or where there is corrosion gas.

When installing the unit in a place exposed to strong wind, pay special attention to the following.

Strong winds of 5 m/sec or more blowing against the unit's air outlet causes a short circuit (suction of discharge air), and this

may have the following consequences:

- Deterioration of the operational capacity.

- Frequent frost acceleration in heating operation.

- Disruption of operation due to rise of high pressure.

- Motor burnout.

- When a strong wind blows continuously on the front of the unit, the fan can start rotating very fast until it breaks.

07

Factory charged refrigerant volume in the unit

Refrigerant/kg Tonnes CO2 equivalent

1-phase 12kW 1.84 1.24

1-phase 14kW 1.84 1.24

1-phase 16kW 1.84 1.24

3-phase 12kW 1.84 1.24

3-phase 14kW 1.84 1.24

3-phase 16kW 1.84 1.24

Model

In normal condition,refer to the figures below for installation

of the unit:

To prevent exposure to wind, install the unit with its

suction side facing the wall.

Never install the unit at a site where the suction side

may be exposed directly to wind.

To prevent exposure to wind, install a baffle plate on

the air discharge side of the unit.

In heavy snowfall areas, it is very important to select

an installation site where the snow will not affect the

unit. If lateral snowfall is possible, make sure that the

heat exchanger coil is not affected by the snow (if

necessary construct a lateral canopy).

5.1 Selecting a location in cold

climates

Refer to "Handling" in section “4 Before installation”

When operating the unit in cold climates, be sure

to follow the instructions described below.

NOTE

08

① Construct a large canopy.

② Construct a pedestal.

Install the unit high enough off the ground to prevent it

from being buried in snow.

5.2 Prevent sunshine

As the outdoor temperature is measured via the outdoor

unit air thermistor, make sure to install the outdoor unit in

the shade or a canopy should be constructed to avoild

direct sunlight, so that it is not influenced by the sun’s

heat, otherwise protection may be possible to the unit.

②

Make sure there is enough space to do the

installation.Set the outlet side at a right angle to the

direction of the wind.

Prepare a water drainage channel around the

foundation, to drain waste water from around the unit.

If water does not easily drain from the unit, mount the

unit on a foundation of concrete blocks, etc. (the

height of the foundation should be about 100 mm .(in

Fig:6-3)

When installing the unit in a place frequently exposed

to snow, pay special attention to elevate the

foundation as high as possible.

If you install the unit on a building

frame, please install a waterproof plate

(field supply) (about 100mm, on the

underside of the unit) in order to avoid

drain water dripping. (See the picture in

the right).

Uncovered scene, anti-snow shed must be

installed: (1) to prevent rain and snow from hitting

the heat exchanger, resulting in poor heating

capacity of the unit, after long time accumulation,

the heat exchanger freezes; (2)To prevent the

outdoor unit air thermistor from being exposed to

the sun ,resulting in failure to boot; (3)To prevent

freezing rain.

WARING

NOTE

>300

≥2000

>300

>600

（wall or obstacle）

Maintain

channel

Air outlet

Air inlet

>600

4/6/8/10/12/14/16 kW (unit: mm)

①

09

6.1 Dimensions

6 INSTALLATION PRECAUTIONS

Model A B C D E F G H I

4/6kW

8/10/12/14/16kW

1008

1118

375

456

426

523

663

656

134

191

110

170

712

865

160

230

4/6 kW (unit: mm)

8/10/12/14/16 kW (unit: mm)

Check the strength and level of the installation ground so that the unit may not cause any vibrations or noise during the

operation.

In accordance with the foundation drawing in the figure, fix the unit securely by means of foundation bolts. (Prepare four sets

each of Φ10 Expansion bolts, nuts and washers which are readily available in the market.)

Screw in the foundation bolts until their length is 20 mm from the foundation surface.

6.2 Installation requirements

(unit: mm)

Concrete

basement

h≥100mm

Rubber

shocking

proof mat

≥100

≥80

Φ10 Expansion

bolt

Solid

ground

or roofing

H

B

Fig: 6-3

Fig: 6-1 Fig: 6-2

Fig: 6-4

FG

I

A

BC

E D

C

A

E D

H

FG

I

Please remove the noise insulation cover of the compressor first.

Please make sure the transportation support had be removed.

It will cause heat pump abnormal vibration and noise if running with transportation support for compressor installed.

Please wear gloves when doing the above operation to prevent hand scratches.

Please restore the noise insulation cover after removing the transportation support.

Drain hole

1) In case of installing one unit per row.

6.4.2 In case of multiple-row installation

10

6.3 Drain hole position

6.4 Installation space requirements

6.4.1 In case of stacked installation

4/6 kW

It's necessary to install an electrical heating belt if water can't drain out in cold weather even the big drain hole has

opened.

It is suggested to site the unit with the base electric heater.

CAUTION

Drain hole

This drain hole is covered by rubber

plug. If the small drain hole can not

meet the drainage requirements, the

big one can be used at the same time.

≥500mm

A

≥200mm

A(mm)

≥2000

Unit

4~16kW

1) In case obstacles exist in front of the outlet side. 2) In case obstacles exist in front of the air inlet.

≥500mm

≥200mm

≥300mm

8/10/12/14/16 kW

It's necessary to install the water outlet connection pipe assembly if the unit is mounted on the top of each other,

preventing condensate flow to the heat exchanger.

NOTE

Fig: 6-5

Fig: 6-6

2) In case of installing multiple units in lateral connection per row.

Unit A(mm) B1(mm) B2(mm) C(mm)

4~16kW ≥3000 ≥2000 ≥150 ≥600

B2

A

B1

C

H

≥500mm

≥500mm B2

A

B1

C

H

Unit A(mm) B1(mm) B2(mm) C(mm)

4~16kW ≥3000 ≥2000 ≥300 ≥600

11

7 INSTALLATION OF THE CONNECTING PIPE

7.1 Refrigerant piping

4~16kW

12

gas liqulid

Fig.7-1

Fig: 6-7

Fig: 6-8

12

Please pay attention to avoid the components where it is connecting to the connecting pipes.

CAUTION

To prevent the refrigerant piping from oxidizing inside when welding, it is necessary to charge nitrogen, or oxide

will chock the circulation system.

●

A

B

Check point of outdoor unit

7.2 Leakage detection

Use soap water or leakage detector to check every joint whether leak or not (Refer to Fig.7-2 ).Note:

A is high pressure side stop valve

B is low pressure side stop valve

C and D is connecting pipes interface of indoor and outdoor units

Check point of indoor unit

DC

7.3 Heat insulation

In order to avoid the release of cold or heat from the connecting pipeline to the external environment during the operation of the equipment,

please take effective insulation measures for the gas pipe and liquid pipe separately

1) The gas side pipe should use closed cell foamed insulation material, which the fire-retardant is B1 grade and the heat resistance

over 120 ℃.

2) When the external diameter of copper pipe≤Φ12.7mm, the thickness of the insulating layer at least more than 15mm; When the

external diameter of copper pipe≥Φ15.9mm, the thickness of the insulating layer at least more than 20mm.

3) Please use attached heat-insulating materials do the heat insulation without clearance for the connecting parts of the indoor unit pipes.

Fig.7-2

●

13

1) Size of pipes of Gas side and Liquid side

Φ15.9/Φ6.35

2) Connection method

8/10kW

Refrigerant Gas side/Liquid side

R32

4/6kW

MODEL

Φ15.9/Φ9.52

7.4 Connecting method

Indoor Unit

Outdoor Unit

H

Gas side Liquid side

FlaringFlaring

Figure 7-3

4~16kW

outdoor unit

Indoor unit

Φ15.9/Φ9.52

3-phase 12/14/16kW

R32

1-phase 12/14/16kW

Φ15.9/Φ9.52

L1

4~16 kW

50m

20m

Models

Max.piping length (H+L1)

Max difference

in height (H)

30m

If outdoor unit is above the hydrokit (indoor unit)

If outdoor unit is below the hydrokit (indoor unit)

Note: Additional oil must be supplied to 8/10kW models in case of longer piping (H+L1) than 30m.

Check section “7.9 Oil amount to be added”.

14

7.5 Remove dirt or water in the pipes

1) Make sure there is no any dirt or water before connectiong the piping to the outdoor and indoor units.

2) Wash the pipes with high pressure nitrogen, never use refrigerant of outdoor unit.

7.6 Airtight testing

Charge pressured nitrogen after connecting indoor/outdoor unit pipes to do airtight testing.

Pressured nitrogen [4.3MPa (44kg/cm ) for R32] should be used in the airtight testing.

CAUTION

Tighten high/low pressure valves before charging

pressured nitrogen.

Charge pressure nitrogen from the connector on the pressure valves.

2

The airtight testing should never use any oxygen, flammable gas or poisonous gas.

7.7 Air purge with vacuum pump

1) Using vacuum pump to do the vacuum,never using refrigerant to expel the air.

2) Vacuuming should be done from liquid side .

7.8 Refrigerant amount to be added

Calculate the added refrigerant according to the diameter and the length of the liquid side pipe of the outdoor unit/indoor unit connection.

If the length of the liquid side pipe is less than 15 meters it is no need to add more refrigerant ,so than calculating the added refrigerant the

length of the liquid side pipe must subtract 15 meters.

≤15m ＞15m

4/6kW 0g (L-15)×20g

8/10/12/14/16kW 0g (L-15)×38g

Total additional refrigerant

Refrigerant to be added Model Total liquid pipe length L(m)

7.9 Oil amount to be added

8/10 kW outdoor units require additional oil in case of longer piping than 30m.

The required oil type is FW68S. Calculate the added oil according to the piping distances between the outdoor unit and indoor unit.

For the rest of the models, there is no need to add additional oil.

L ≤30m30m < L < 50m

4/6kW 0g

0g

8/10kW

0g

9.5g * L – 190g

Additional oil to be added (g)

Model

Total pipe length "L" (m)

12/14/16kW

0g

15

A main switch or other means of disconnection, having a contact separation in all poles, must be incorporated in the

fixed wiring in accordance with relevant local laws and regulations. Switch off the power supply before making any

connections. Use only copper wires. Never squeeze bundled cables and make sure they do not come in contact with

the piping and sharp edges. Make sure no external pressure is applied to the terminal connections. All field wiring and

components must be installed by a licensed electrician and must comply with relevant local laws and regulations.

The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions

given below.

Be sure to use a dedicated power supply. Never use a power supply shared by another appliance.

Be sure to establish a ground. Do not ground the unit to a utility pipe, surge protector, or telephone ground. Incomplete

grounding may cause electrical shock.

Be sure to install a ground fault circuit interrupter (30 mA). Failure to do so may cause electrical shock.

Be sure to install the required fuses or circuit breakers.

WARNING

The ground fault circuit interrupter must be a high- speed type breaker of 30 mA (<0.1 s).

NOTE

This unit is equipped with an inverter. Installing a phase advancing capacitor not only will reduce the power factor

improvement effect, but also may cause abnormal heating of the capacitor due to high-frequency waves. Never install a

phase advancing capacitor as it could lead to an accident.

Secure the electrical wiring with cable ties as shown in figure so that it does not come in contact with the piping, particularly

on the high-pressure side.

Make sure no external pressure is applied to the terminal connectors.

When installing the ground fault circuit interrupter make sure that it is compatible with the inverter (resistant to high frequency

electrical noise) to avoid unnecessary opening of the ground fault circuit interrupter.

Fix cables so that cables do not make contact with the pipes (especially on the high pressure side).

8.1 Precautions on electrical wiring work

8 OUTDOOR UNIT WIRING

8.2 Precautions on wiring of power supply

Use the correct screwdriver to tighten the terminal screws. Small screwdrivers can damage the screw head and prevent

appropriate tightening.

Over-tightening the terminal screws can damage the screws.

Attach a ground fault circuit interrupter and fuse to the power supply line.

In wiring, make certain that prescribed wires are used, carry out complete connections, and fix the wires so that outside force

cannot affect the terminals.

Use a round crimp-style terminal for connection to the power supply terminal board. In case it cannot be used due to

unavoidable reasons, be sure to observe the following instructions.

Do not connect different gauge wires to the same power supply terminal. (Loose connections may cause overheating.)

When connecting wires of the same gauge, connect them according to the figure below.

-

16

Stated values are maximum values (see electrical data for exact values).

8.4 Remove the switch box cover

Voltage

(V)

Hz Min.

(V)

Max.

(V)

MCA

(A)

TOCA

(A)

MFA

(A)

MSC

(A)

RLA

(A)

KW FLA

(A)

Outdoor Unit Power Current Compressor OFM

1

14 18 -13.50 0.10 0.50

264 25220-240 50 198

-14.50 0.17 1.5016 19264 25220-240 50 198

-

17 19 15.50 0.17 1.50

264198 25220-240 50

12 25 -0.10 0.50220-240 50 198 264 18 11.50

System

6kW

4kW

8kW

10kW

-

25 30 23.50 0.17 1.50

264198 35220-240 5012kW

-

26 30 24.50 0.17 1.50

264198 35220-240 5014kW

1-

27 30 25.50 0.17 1.50

264198 35220-240 5016kW

-

10 14 9.15 0.17 1.50

456342 16380-415 5012kW 3-PH

1-

11 14 10.15 0.17 1.50

456342 16380-415 5014kW 3-PH

-

12 14 11.15 0.17 1.50

456342 16380-415 5016kW 3-PH

1. Select the wire diameters( minimum value) individually for each unit based on the table 8-1 and table 8-2

where the rated current in table 8-1 means MCA in table 8-2. In case the MCA exceeds 63A, the wire diameters

should be selected according to the national wiring regulation.

2. Select circuit breaker that having a contact separation in all poles not less than 3 mm providing full

disconnectionwhere MFA is used to select the current circuit breakers and residual current operation

breakers:

8.3 Safety device requirment

Table 8-2

Rated current

of appliance:

Nominal cross-sectional area (mm )

2

Flexible cords Cable for fixed wiring

Table 8-1

≤3 0.5 and 0.75 1 and 2.5

>3 and ≤60.75 and 1 1 and 2.5

>6 and ≤10 1 and 1.5 1 and 2.5

>10 and ≤16 1.5 and 2.5 1.5 and 4

>16 and ≤25 2.5 and 4 2.5 and 6

>25 and ≤32 4 and 6 4 and 10

>32 and ≤50 6 and 10 6 and 16

>50 and ≤63 10 and 16 10 and 25

NOTE

MCA : Min. Circuit Amps. (A)

TOCA : Total Over-current Amps. (A)

MFA : Max. Fuse Amps. (A)

MSC : Max. Starting Amps. (A)

RLA : In nominal cooling or heating test conditionthe input Amps of compressor where MAX. Hz

can operate Rated Load Amps. (A);

KW : Rated Motor Output

FLA : Full Load Amps. (A)

Unit 4kW 6kW 8kW 10kW 12kW 14kW 16kW 12kW 3-PH 14kW 3-PH 16kW 3-PH

Maximum

overcurrent

protector(MOP)(A

)

18 18 19 19 30 30 30 14 14 14

Wiring size(mm

2)4.0 4.0 4.0 4.0 6.0 6.0 6.0 2.5 2.5 2.5

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Kaysun Aquantia PRO User manual

Kaysun Aquantia PRO User manual

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